I have a list of paired numbers that span multiple orders of magnitude, and I need to find a method to a) compare within each pair in a way that does not disproportionately bias the comparison at the high or low end of the list, and b) define which pairs are dissimilar enough to be excluded from further analysis. The dataset itself follows a rough sigmoid curve, with a few pairs in the 1000s, more in the 100s, a lot in the upper 10's, some in the low 10's, and a few in the single digits. I have tried a few different comparison methods so far, including percent difference and relative percent difference of both the raw and log-transformed data. [more inside]
posted by nekton
on May 24, 2013 -
5 answers

I have a crush on an older co-worker and would like to stop acting like a nervous schoolgirl around him. How do I do this when he seems nervous too? [more inside]
posted by anonymous
on Mar 25, 2011 -
18 answers

I have a large photo and music collection and find that sometimes I go to an folder and can't find files that were there before, and have had some problems with corruption. I have bought a new hard drive, but I want to set up a backup system which tells me what has changed before making any changes... [more inside]
posted by edbyford
on Sep 13, 2008 -
1 answer

How can the difference be determined between a genuine member vs. a fake member bent on deceptive overthrowing/subverting of a socio-political group's public perception (speaking from an outsider's POV, not belonging to either group)? [more inside]
posted by vanoakenfold
on Dec 6, 2005 -
18 answers

I'm looking at some Corsair value RAM (2x512M for $93).
But Corsair also has RAM of the same specs for more than twice the price (1x512 for $106):
As far as I can tell, the specs are identical, except for CAS latency (and they're both some variation on CL3), and the voltage is slightly different.
What's the real difference between different "grades" of RAM from the same manufacturer with the same specs? Under what circumstances will any differences manifest?
posted by Caviar
on Apr 8, 2005 -
11 answers

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